Carbon Sub Index breakdown

Date of Evaluation Date of Eval. Index Trait PTA *Carbon Cost (€) Contribution Contrib.
PTA * Carbon Cost
May 2025 Milk Sub Index -9.49
Milk (kg) 201.00 -0.014 -2.81
Fat (kg) 6.32 -0.375 -2.37
Prot (kg) 9.77 -0.441 -4.31
Fertility Sub Index -5.19
Calving Interval (days) 1.89 -1.459 -2.76
Survival (%) -2.18 1.117 -2.44
Calving Sub Index 2.85
Gestation Length (days) -3.10 -0.919 2.85
Beef Sub Index -2.95
Carcass Weight (kg) -1.60 -0.528 0.84
Age of Slaughter (days) 8.78 -0.432 -3.79
Maintenance Sub Index Maint. Sub Index -5.52
Live WT (kg) 18.00 -0.307 -5.52
Total Carbon Sub Index -20.30

* Based on an €80/tonne carbon price